Add binding for MT58XX interrupt controller. Signed-off-by: Mark-PK Tsai <mark-pk.tsai@xxxxxxxxxxxx> --- .../mediatek,mt58xx-intc.yaml | 70 +++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/mediatek,mt58xx-intc.yaml diff --git a/Documentation/devicetree/bindings/interrupt-controller/mediatek,mt58xx-intc.yaml b/Documentation/devicetree/bindings/interrupt-controller/mediatek,mt58xx-intc.yaml new file mode 100644 index 000000000000..23e04763ab86 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/mediatek,mt58xx-intc.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interrupt-controller/arm,gic.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek MT58XX Interrupt Controller + +maintainers: + - Mark-PK Tsai <mark-pk.tsai@xxxxxxxxxxxx> + +description: |+ + Mediatek DTV SoCs contain multiple legacy interrupt controllers that + routes interrupts to the GIC. All the mt58xx SoCs have this + controller, hence the name of binding. + + The HW block exposes a number of interrupt controllers, each + can support up to 64 interrupts. + +allOf: + - $ref: /schemas/interrupt-controller.yaml# + +properties: + compatible: + - items: + - const: mediatek,mt58xx-intc + + interrupt-controller: true + + "#address-cells": + enum: [ 0, 1 ] + "#size-cells": + const: 1 + + "#interrupt-cells": + const: 3 + description: | + Use the same format as specified by GIC in arm,gic.yaml. + + reg: + description: | + Physical base address of the MT58xx interrupt controller + registers and length of memory mapped region. + + mediatek,irqs-map-range: + description: | + The range of parent interrupt controller's interrupt lines + that are hardwired to MT58xx interrupt controller. + + mediatek,intc-no-eoi: + description: | + Mark this controller has no End Of Interrupt(EOI) implementation. + This is a empty, boolean property. + +required: + - compatible + - reg + - mediatek,irqs-map-range + +examples: + - | + mt58xx_intc0: interrupt-controller@1f2032d0 { + compatible = "mediatek,mt58xx-intc"; + interrupt-controller; + #interrupt-cells = <0x3>; + interrupt-parent = <&gic>; + reg = <0x0 0x1f2032d0 0x0 0x30>; + mediatek,irqs-map-range = <0 63>; + }; +... -- 2.18.0
